Glossary of Computer Terminologies (A-Z) Based Computer Awareness MCQ Questions and Answer PDF For All SSC IBPS RAILWAY BANK Exam Part-2/3#Blog-33
Feb 03, 2022, By Careericons
Computers are an essential part of every part of human life. A computer includes various concepts, terms, and terminologies to know & learn about their various new technologies. It is so important to understand each and every component of a computer and its terminologies to understand a computer as a whole.
In this article, we will look at the most basic computer terminology with all the basic information you are needed and very useful for any competitive exams preparation. Like SSC, IBPS, RRB, Railway, UPSC & any other Government & Private IT Exams. This is one of the most important frequently asked topics in the Computer Awareness section for various examinations.
Also, Get multiple choice questions (MCQ) practice online tests & live quizzes to check your knowledge. Download individual PDFs for All Glossary of Computer Terminology with Their Meanings.
Also read, Computer Awareness Study Notes [Free PDF] - With Multiple Choice Questions With Solved Answer Key,
- Download MCQ PDF on Microsoft Word Concepts & Shortcuts for SSC, IBPS, RRB & BANK Exams
- Complete Computer Acronyms & Abbreviation MCQ Quiz & PDF
- New 4000+ MCQ Quiz PDF Based on Microsoft Windows Keyboard Shortcuts
- Latest Microsoft Excel Concepts & Shortcuts for all Competitive Exams
Following are some more commonly used, complete Computer related Vocabulary (Word Bank) that are given in alphabetical order (A-Z) as in dictionary format, that you may have heard but do not know exactly what they mean for.
Glossary of all Computer Terms / Terminologies starting words with “F” Dictionary with Definitions for All Competitive Exams & Download PDF
List of most commonly used Computer Hardware, Software & Application related Basic Computer Terminologies / Terms based words starting with "F".
Let us learn everything,
| S.No | Terms/ Terminologies | Definitions |
|---|---|---|
| 120 | FAT | File Allocation Table is used by the operating system to store information about where files are stored on a disk. The File Allocation Table is much like the table, of contents in a book. |
| 121 | Fax | It stands for 'Facsimile'. It is used to transmit a copy of a document electronically. |
| 122 | Field | The attributes of an entity are written as fields in the table representation. |
| 123 | File | A collection of information is stored electronically and treated as a unit by a computer. Every file must have its own distinctive name. |
| 124 | File allocation table (fat) | It is the name of a computer file system architecture. The FAT file system is a legacy file system that is simple and robust. |
| 125 | File manager | It is an operating system utility that provides a user interface to work with file systems. |
| 126 | File Transfer Protocol (FTP) | The protocol is used by the Internet community to send files. This protocol is used to transfer files from one place to another on the Internet. |
| 127 | Firewall | A security system usually consists of hardware and software that prevents unauthorised persons from accessing certain parts of a program database or network. |
| 128 | Flip-flop | A sequential electronic circuit that can be placed in one out of two stable states. Each state may be used to represent a binary digit 1, or 0. |
| 129 | Floppy disk | A portable, removable magnetic disk is used to store data using a floppy disk drive. Also, see Floppy Disk Drive. |
| 130 | Flow chart | A pictorial representation that uses pre-defined symbols to describe either the logic of a computer program (program flowchart) or the data flow and processing steps of a system (i.e. system flow chart). These are the means of visually representing the flow of data through an information processing system, the operations performed within the system and the sequence in which they are performed. Foreign Key A field in a database table, which links it to another related table. |
| 131 | Folder | An object is a graphical user interface capable of storing multiple files and other folders. |
| 132 | Font | The combination of typeface and other qualities such as size, pitch and spacing, comprise a set of characters. |
| 133 | Format | To set margins, tabs, font or line spacing in the layout of a document. |
| 134 | Fortran | Its name stands for formula translating system. The language was designed at IBM for scientific computing. |
| 135 | Freeware | A form of software distribution where the author retains copyright of the software but makes the program available to others at no cost. |
| 136 | Function key | A special key on a computer keyboard or a terminal device's keyboard is used to perform specific functions. Many keyboards have function keys labelled from F1 to F12. |
Glossary of all Computer Terms / Terminologies starting words with “G” Dictionary with Definitions for All Competitive Exams & Download PDF
List of most commonly used Computer Hardware, Software & Application related Basic Computer Terminologies / Terms based words starting with "G".
Let us learn everything,
| S.No | Terms/ Terminologies | Definitions |
|---|---|---|
| 137 | Garbage in garbage out (GIGO) | It pertains to the fact that most computer errors are not machine errors, they are data errors caused by incorrect input data. |
| 138 | Gateway | A device that is used to join together two networks having different base protocols. |
| 139 | Gigabyte (GB) | It is a unit of information or computer storage equal to approximately one billion bytes. or One thousand Megabytes. |
| 140 | Gigahertz (GHz) | One billion (1,000,000,000) cycles per second. This is a common measurement of the speed of a processing chip. Measurement is used to identify the speed of the central processing unit. One gigahertz is equal to 1 billion cycles per second. |
| 141 | Graphical user interface (GUI) | Graphical User Interface is software that uses a computer's graphics ability to organize and display resources and objects making it easier to use and eliminating the need for a command-line interface. It is a method of interacting with a computer through a metaphor of direct manipulating of graphical images and widgets in addition to text. |
| 142 | Graphics interchange format (gif) | A simple file format for pictures and photographs, that are compressed so they can be sent quickly. Graphic Tablet It is an input device that is used to create images, etc. |
Glossary of all Computer Terms / Terminologies starting words with “H” Dictionary with Definitions for All Competitive Exams & Download PDF
List of most commonly used Computer Hardware, Software & Application related Basic Computer Terminologies / Terms based words starting with "H".
Let us learn everything,
| S.No | Terms/ Terminologies | Definitions |
|---|---|---|
| 143 | Hacker | A computer criminal who penetrates and tempers with computer programs or systems. |
| 144 | Hang | To crash in such a way that the computer does not respond to input from the keyboard or mouse. |
| 145 | Hard copy | Printed output from a computer device in a human-readable form. |
| 146 | Hard copy | It is a printed copy of information from a computer. It is a non-volatile data storage device that stores data on a magnetic surface layered onto disk platters. The device that stores and retrieves data from hard disks. |
| 147 | Hardware | The physical electronic components that make up a computer system. The mechanical, magnetic, electronic and electrical components that comprise a computer system such as CPU, monitor, keyboard, mouse, etc. |
| 148 | Header | In Word processing and printing, one or more identifying lines are printed at the top of the page. |
| 149 | Hexadecimal | The base-16 number system. This system can represent a byte as two consecutive hexadecimal digits. |
| 150 | High-level programming language | It is a programming language that is more user-friendly, to some extent platform-independent and abstract from low-level computer processor operations such as memory accesses. |
| 151 | Home page | A starting point or a doorway to the Website. It refers to the Web page that identifies a Website and contains the hyperlink to other Web pages on the Website. |
| 152 | Host computer | A computer that provides information or a service to other computers on the Internet. Every host computer has its own unique hostname. |
| 153 | Hub | A network device where the information flow is accumulated and then distributed to various groups and users. It can be used between users on the same LAN and users on different LANs. A network device that connects multiple computers on a LAN, so that they can communicate with one another. |
| 154 | Hybrid computer | These computers are made by taking the best features of the analogue computer and digital computer. |
| 155 | Hyperlink | An item in an electronic document that links to another object such as a position in a document or a different document. An image or portion of text on a Web page that is linked to another Web page. |
| 156 | Hypertext markup language | It stands for HTML. It is mainly used for designing Websites. |
| 157 | Hypertext transfer protocol (HTTP) | HyperText Transfer Protocol (HTTP) It is an important protocol used on the world wide web for moving hypertext files across the Internet. The protocol of the World Wide Web. This protocol provides standards by which messages are formatted and sent. |
Glossary of all Computer Terms / Terminologies starting words with “I” Dictionary with Definitions for All Competitive Exams & Download PDF
List of most commonly used Computer Hardware, Software & Application related Basic Computer Terminologies / Terms based words starting with "I".
Let us learn everything,
| S.No | Terms/ Terminologies | Definitions |
|---|---|---|
| 158 | I/O | Input / Output describes any operation, program, or device that transfers data to or from a computer. Typically I/O devices are printers, hard disks, keyboards and mice. |
| 159 | Icon | A symbol (such as a picture or a folder) that represents a certain function on your computer. When the user clicks on the icon, the appropriate function is executed. |
| 160 | IDE | Integrated Drive Electronics. |
| 161 | Information | It is the summarization of data according to a certain pre-defined purpose. Input In order to give instructions to a computer, the information has to be supplied to it. |
| 162 | Instant messaging (IM) | A chat program that lets people communicate over the Internet in real-time. |
| 163 | Instruction | A command or order was given to a computer to perform a task. |
| 164 | Integrated circuits | Multiple electronic components combined on a silicon chip. |
| 165 | Interface | A device or program that helps a user to communicate with a computer. |
| 166 | Internet | The decentralized global network that connects millions of computers worldwide. A vast computer network linking smaller computer networks worldwide. |
| 167 | Internet service provider (ISP) | It is a business organisation that offers users to access the Internet and related services. |
| 168 | Internet surfing | To search for something on the Internet is called Internet surfing. |
| 169 | Interpreter | A language processor that translates a statement of a high-level language and immediately executes it before translating the next source language statement. It is the most common language processor for BASIC. A program that converts and executes the source code into machine code line by line. |
| 170 | Ip address | A numerical identifier for an electronic device on a network utilizing the TCP/IP protocol in the form of a 32-bit numeric address written as four numbers separated by periods. |
| 171 | ISDN | Integrated Service Digital Network is a standard for sending data, voice and video over telephone lines supporting a data transfer rate of 64 Kbps. ISDN service normally provides two lines called. B channels, where one line is used for data and one for voice. It is possible to use both lines for data, achieving transfer rates up to 128 Kbps. |
| 172 | ISO | International Organisation for Standardization is an international organisation that s responsible for a wide range of standards, including those relevant to networking. ISO developed the OSI reference model, a popular networking reference model. |
| 173 | ISP | Internet Service Provider is a company that provides users with a connection to the Internet. Also, see the Internet. |
| 174 | IT | Information Technology encompasses the subject concerned with all aspects of managing and processing information. |
Glossary of all Computer Terms / Terminologies starting words with “J” Dictionary with Definitions for All Competitive Exams & Download PDF
List of most commonly used Computer Hardware, Software & Application related Basic Computer Terminologies / Terms based words starting with "J".
Let us learn everything,
| S.No | Terms/ Terminologies | Definitions |
|---|---|---|
| 175 | Java | A programming language used to create mobile applications, software, etc. |
| 176 | Javascript | It is an object-oriented programming language used to create interactive effects in a Web browser. |
| 177 | Jitter | distortion caused in a digital signal by a shift in timing pulses can also cause data interpretation errors. |
| 178 | Joint photographic experts group (jpeg) | refers to a lossy compression technique to reduce the overall image size of the images. |
| 179 | Joystick | It is a computer peripheral or general control device consisting of a handheld stick that pivots about one end and transmits its angle in two or three dimensions to a computer. |
| 180 | Jpeg (joint photographic experts group) | It is a commonly used method of lossy compression for digital photography. |
Glossary of all Computer Terms / Terminologies starting words with “K” Dictionary with Definitions for All Competitive Exams & Download PDF
List of most commonly used Computer Hardware, Software & Application related Basic Computer Terminologies / Terms based words starting with "K".
Let us learn everything,
| S.No | Terms/ Terminologies | Definitions |
|---|---|---|
| 181 | Kernel | It is the fundamental part of a program, such as an operating system, that resides in memory at all times. |
| 182 | Keystroke | It is the process of pressing the button on the keyboard. Kilobyte (KB) It is a unit of information or computer storage equal to 1024 bytes. |
| 183 | Keyboard | This is the standard input device attached to all computers. The layout of the keyboard is just like the traditional typewriter of the type QWERTY. |
| 184 | Kilobit (kb) | Approximately 1000 bits (precisely 1024 bits). |
| 185 | Kilobits per second (kbps) | This is a standard measurement of the amount of data transferred over a network connection. Kbps is a data transfer rate of approximately 1,000 bits per second. |
Top 20,000+ COMPUTER AWARENESS Memory Based Practice MCQ Exercises For All Competitive Exams & IT Interviews
Glossary of all Computer Terms / Terminologies starting words with “L” Dictionary with Definitions for All Competitive Exams & Download PDF
List of most commonly used Computer Hardware, Software & Application related Basic Computer Terminologies / Terms based words starting with "L".
Let us learn everything,
| S.No | Terms/ Terminologies | Definitions |
|---|---|---|
| 186 | LAN | A local Area Network is a network that is confined to a limited geographical area. This can be a room, a floor, a building or even an entire campus. |
| 187 | LAN (local area network) | In LAN, the connected computers are geographically close together. They are either in the same building or within a smaller area. |
| 188 | Laptop | It is a small, lightweight and portable battery-powered computer that can fit onto your lap. They each have a thin, flat and liquid crystal display screen. A self-contained portable computer small enough to use on a person's lap. |
| 189 | Laser printer | It is a very high-speed printer that uses a combination of laser-beam and electro-photographic techniques to create printed outputs at speed in excess of 13,000 lines per minute. |
| 190 | LED | Light Emitting Diode is a semiconductor device that emits visible light when an electric current passes through it. |
| 191 | Light pen | It is a pen-shaped device, which is used as an input device to computers by writing or sketching on the screen of a cathode ray tube. A light-sensitive style for forming graphics by touching coordinates on a display screen, thereby seeming to draw directly on the screen. |
| 192 | Line printer | A printer that prints one line at a time. |
| 193 | Link | A communication path between two nodes or channels. |
| 194 | Linux | It is an open-source operating system, meaning that the source code of the operating system is freely available to the public. |
| 195 | List processing (lisp) | A high-level programming language suitable for handling logical operations and non-numeric applications. |
| 196 | Log in | It is the process by which an individual gains access to a computer system by identifying and authenticating themselves. |
| 197 | Log off | It is a process of withdrawal from function after performing the program. |
| 198 | Low-level language | It is an assembly language that is used in computers. It was mostly used in first-generation computers. Programming languages that normally translate from one source instruction to one object instruction. These languages are machine-dependent. |
Glossary of all Computer Terms / Terminologies starting words with “M” Dictionary with Definitions for All Competitive Exams & Download PDF
List of most commonly used Computer Hardware, Software & Application related Basic Computer Terminologies / Terms based words starting with "M".
Let us learn everything,
| S.No | Terms/ Terminologies | Definitions |
|---|---|---|
| 199 | Machine language | A low-level language that is directly understandable by the computer system. Each model of the computer system has a unique machine language. The language of a computer is also called binary language. Instructions in this language are written as a sequence of 0's and 1's. |
| 200 | Macintosh | A computer manufactured by Apple Computer Company featuring a GUI, Windows, icons and the use of the mouse to navigate. |
| 201 | Magnetic tape | It is a secondary storage device that uses a long plastic strip coated with a magnetic material as a recording medium. |
| 202 | Magnetic-ink character recognition (MICR) | It is an input device that can read cards and paper documents printed with a special magnetic ink. |
| 203 | Main memory | A volatile and speedy memory. It is divided into two parts RAM and ROM. |
| 204 | Mainframe | A large and expensive computer capable of supporting hundreds, or even thousands, of users simultaneously. |
| 205 | Malware | It is software that disrupts normal computers functions or sends a user's personal data without the user authorisation. |
| 206 | MAN | Metropolitan-Area Network is a network between the LAN and the WAN in size. This is a network that covers roughly the area of a large city or metropolitan area. |
| 207 | Mass storage | It is referred to as storage where large volumes of backup/data are stored. |
| 208 | Media | The various physical environments through which transmission signals pass. |
| 209 | Megabyte (MB) | 1 Megabyte is equal to 1048576 bytes, usually rounded off to one million bytes. It is also called a 'meg'. |
| 210 | Memory | A device or medium that can accept data, hold them, and deliver them on-demand at a later time. Temporary storage for information, including applications and documents. |
| 211 | Menu bar | The horizontal stripe across the top of an application's window. Each word on the strip has a context-sensitive drop-down menu containing features and actions that are available for the application in use. |
| 212 | Merge | Combining two or more files into a single file. |
| 213 | Microcomputer | The smallest category of computer fabricated using a microprocessor and other integrated circuits, namely a ROM, RAM and I/O interface chips. |
| 214 | Microcomputer | A microprocessor-based computer, consisting of a CPU, internal semiconductor memory, input and output sections and a system bus, all on one, or several monolithic IC chips inserted into one or several PC boards. |
| 215 | Microprocessor | A complete Central Processing Unit (CPU) is contained on a single silicon chip. |
| 216 | Midi (music instrument digital interface) | It allows a computer to store and replay a musical instrument's output. |
| 217 | Minicomputer | A multiprocessing system capable of providing resources to between four and 200 users simultaneously. Considered to be more capable than a microcomputer but less powerful than a mainframe. |
| 218 | Mnemonic | A symbolic label or code remainder assists the user in remembering a specific operation or command in assembly language. |
| 219 | Modem (modulator/demodulator) |
A contraction of "modulator-demodulator", it is a device that converts digital and analogue signals. At the source, a modem converts digital signals to a form suitable for transmission over analogue communication facilities. At the destination, the analogue signals are returned to their digital form. Modems allow data to be transmitted over voice-grade telephone lines. It refers to specific equipment that provides a means of communication between two computer systems over conventional telephone lines. |
| 220 | Monitor | The visual readout device of a computer system. A monitor can be in several forms; a Cathode Ray Tube (CRT), a Liquid Crystal Display (LCD), or a flat-panel, full-colour display. |
| 221 | Motherboard | The main circuit board in a computer. This board connects all of the hardware in the computer together. Also see circuit board, hardware. |
| 222 | Multimedia | Software programs that combine text and graphics with sound, video and animation. A multimedia PC contains the hardware to support these capabilities. |
| 223 | Multiprocessing | A term used to describe interconnected computer configuration or computers with two or more independent CPUs that have the, ability to simultaneously execute several programs. |
| 224 | Multiprogramming | The name was given to the interleaved execution of two or more different and independent programs by the same computer. |
| 225 | Multitasking | It can simultaneously work with several programs or interrelated tasks that share memories, codes, buffers and files. |
| 226 | Multithreading | It is a facility available in an operating system that allows multiple functions from the same application packages. |
| 227 | Multi-user | Two or more users running programs and sharing peripheral devices, such as a printer, at the same time. |
Complete Computer Awareness Section - Competitive Exams Syllabus Based Topics MCQ Test & Online Quiz with PDF:
Aspirants preparing for the upcoming competitive exam must go through the important Computer Awareness topics based on multiple choice questions & answers online test & quiz with important PDFs listed below.
- Fundamental & Concepts Of Computer,
- Computer Security,
- Computer Acronyms & Abbreviation,
- Basics Of Hardware & Software,
- Input & Output Devices,
- Operating System,
- Software Concepts,
- Software Engineering,
- Data Structures & Algorithms,
- Computer Networks,
- Parallel Computing,
- Window Programming,
- Internet Awareness,
- Microsoft Windows Operating System,
- Microsoft Windows Keyboard Shortcuts,
- Microsoft Office Quiz,
- Microsoft Word,
- Microsoft Excel,
- Microsoft Powerpoint,
- Microsoft Access,
- Computer Memory,
- Database Management System (DBMS),
- Data Mining And Data Ware House, &
- Electronics Data Processing.
Click these above links and learn all individual types with solved examples & practice MCQ useful for all SSC, IBPS, IBPS RRB, BANK, RAILWAY & any other competitive exam preparations and IT Interviews.
Refer: Learn all topics in the computer section & crack any competitive exams
![SSC CHSL 2023 Tier 2: Syllabus PDF & Exam Pattern [Changed]](https://careericons.com/adminicon/bunch/images/ssc-chsl-tier-2-2023-new-revised-syllabus-pdf-s.jpg "SSC CHSL 2023 Tier 2: Syllabus PDF & Exam Pattern [Changed]")
